Lumenta, Karine Nathania, et al. “Analysis of 220 Ml Cup Supplier Selection With AHP Method and Rating Scale: Case Study PT. Sabina Tirta Utama”. Operations Excellence: Journal of Applied Industrial Engineering, vol. 15, no. 2, Nov. 2023, pp. 164-7, doi:10.22441/oe.2023.v15.i2.082.